@inproceedings{cf8fba6a4d7c426ba9716a3b242379f3,
title = "Monitoring of sand filters for water treatment using a novel ultrasonic imaging instrument",
keywords = "Conf.proc. > 3 pag",
author = "DG Simons and G Koolstra and N Allouche and G Hermans and G Keijzer and LC Rietveld",
year = "2012",
language = "English",
isbn = "978--1-906913-13-7",
publisher = "Heriot-Watt University",
pages = "1248--1254",
editor = "C Capus",
booktitle = "Conference proceedings: 11th European Conference on Underwater Acoustics",
note = "11th European Conference on Underwater Acoustics ; Conference date: 02-07-2012 Through 06-07-2012",
}